From: Takashi Iwai <tiwai@suse.de>
To: Jaroslav Kysela <perex@suse.cz>
Cc: Benno Senoner <sbenno@gardena.net>,
Paolo Losi <p.losi@hypersonic.it>,
alsa-devel@lists.sf.net
Subject: Re: Event Based time synchronization with ALSA
Date: Tue, 18 Jan 2005 10:40:11 +0100 [thread overview]
Message-ID: <s5h1xcjxeh0.wl@alsa2.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.58.0501172044010.2201@pnote.perex-int.cz>
At Mon, 17 Jan 2005 20:46:17 +0100 (CET),
Jaroslav wrote:
>
> On Mon, 17 Jan 2005, Benno Senoner wrote:
>
> > 10msec = 441 samples, thus I'd choose 512 samples (alsa period sizes
> > must be power of 2).
>
> It's not true. You may use any size which hardware / end plugin supports,
> but it's true that many drivers don't allow other period sizes that
> power of 2.
AFAIK, power-of-2 restriction is rare in the ALSA driver level.
But, the restriction is required for OSS emulation, so it's safer if
you consider the portability.
Takashi
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next prev parent reply other threads:[~2005-01-18 9:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-17 10:50 Event Based time synchronization with ALSA Paolo Losi
2005-01-17 16:45 ` Benno Senoner
2005-01-17 19:46 ` Jaroslav Kysela
2005-01-18 9:40 ` Takashi Iwai [this message]
2005-01-18 11:47 ` Paolo Losi
2005-01-18 13:46 ` Benno Senoner
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